Specific alimentary habits, including oriental and Mediterranean diets characterized by high consumption of vegetables, fruits, cereals and, for the Mediterranean diet, olive oil, are associated with a reduction of risk of cardiovascular diseases, type 2 diabetes, neurodegenerative diseases, and some cancers. Numerous beverages contain diverse natural compounds, termed phytochemicals, that have been reported to exert antitumor, antiangiogenic, and antioxidant properties.